var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParse = require('cookie-parse');
var logger = require('morgan');

var app = express();

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({extended: false}));
app.use(cookiesParse());
app.use(express.static(path.join(_dirname, 'public')));

// catch http 404 and forward to error handler
app.use(function(req, res, next) {
    next(createError(404));
});

// error handle
app.use(function(err, req, res, next){
    // set locals,  only providing error in development
    res.locals.message = err.message;
    res.locals.error = req.app.get('env') === 'development' ? err: {};

    // render the error page
    res.status(err.status || 500);
    res.render('error');
});

module.exports = app;